What is e?
Basics of Natural Logs
- Ln(e)=1
- e~2.71828183
- Logarithms with a base of e are called natural logarithms
- Commonly used in science and engineering
- E is an irrational constant, like pi
- Ln(x)=log(e)(x)
- Not a root and not a ratio of integers
Going Deeper
- Euler's number
- Formula for continuous compounding (in loans and investments)= e^r-1
- Transcendental number-any number that is not an algebraic number (x/polynomial)
- Inverse is e^x
- Has the same properties as log base 10